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32 results on '"Wealthy, D."'

1. Spacecraft and interplanetary contributions to the magnetic environment on-board LISA Pathfinder

Author

Armano, M., Audley, H., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Castelli, E., Cavalleri, A., Cesarini, A., Cruise, A. M., Danzmann, K., Silva, M. de Deus, Diepholz, I., Dixon, G., Dolesi, R., Ferraioli, L., Ferroni, V., Fitzsimons, E. D., Freschi, M., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Grzymisch, J., Harrison, I., Hartig, M-S., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Inchauspé, H., Jennrich, O., Jetzer, P., Karnesis, N., Kaune, B., Korsakova, N., Killow, C. J., Lobo, J. A., Liu, L., López-Zaragoza, J. P., Maarschalkerweerd, R., Mance, D., Martín, V., Martin-Polo, L., Martino, J., Martin-Porqueras, F., Mateos, I., McNamara, P. W., Mendes, J., Mendes, L., Meshksar, N., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Ramos-Castro, J., Reiche, J., Rivas, F., Robertson, D. I., Roma-Dollase, D., Russano, G., Slutsky, J., Sopuerta, C. F., Sumner, T., Telloni, D., Texier, D., Thorpe, J. I., Trenkel, C., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Wass, P. J., Wealthy, D., Weber, W. J., Wissel, L., Wittchen, A., and Zweifel, P.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

LISA Pathfinder (LPF) has been a space-based mission designed to test new technologies that will be required for a gravitational wave observatory in space. Magnetically driven forces play a key role in the instrument sensitivity in the low-frequency regime (mHz and below), the measurement band of interest for a space-based observatory. The magnetic field can couple to the magnetic susceptibility and remanent magnetic moment from the test masses and disturb them from their geodesic movement. LISA Pathfinder carried on-board a dedicated magnetic measurement subsystem with noise levels of 10 $ \rm nT \ Hz^{-1/2}$ from 1 Hz down to 1 mHz. In this paper we report on the magnetic measurements throughout LISA Pathfinder operations. We characterise the magnetic environment within the spacecraft, study the time evolution of the magnetic field and its stability down to 20 $\mu$Hz, where we measure values around 200 $ \rm nT \ Hz^{-1/2}$ and identify two different frequency regimes, one related to the interplanetary magnetic field and the other to the magnetic field originating inside the spacecraft. Finally, we characterise the non-stationary component of the fluctuations of the magnetic field below the mHz and relate them to the dynamics of the solar wind., Comment: 16 pages, 17 figures. MNRAS LaTeX style file version 3.0

Published
2020
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2. Temperature stability in the sub-milliHertz band with LISA Pathfinder

Author

Armano, M., Audley, H., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Castelli, E., Cavalleri, A., Cesarini, A., Cruise, A. M., Danzmann, K., Silva, M. de Deus, Diepholz, I., Dixon, G., Dolesi, R., Ferraioli, L., Ferroni, V., Fitzsimons, E. D., Freschi, M., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Grzymisch, J., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Inchauspé, H., Jennrich, O., Jetzer, P., Karnesis, N., Kaune, B., Korsakova, N., Killow, C. J., Lobo, J. A., Lloro, I., Liu, L., López-Zaragoza, J. P., Maarschalkerweerd, R., Mance, D., Mansanet, C., Martín, V., Martin-Polo, L., Martino, J., Martin-Porqueras, F., Mateos, I., McNamara, P. W., Mendes, J., Mendes, L., Meshksar, N., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Ramos-Castro, J., Reiche, J., Robertson, D. I., Rivas, F., Russano, G., Sanjuán, J., Slutsky, J., Sopuerta, C. F., Sumner, T., Texier, D., Thorpe, J. I., Trenkel, C., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Wass, P. J., Wealthy, D., Weber, W. J., Wissel, L., Wittchen, A., and Zweifel, P.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, General Relativity and Quantum Cosmology
Abstract

LISA Pathfinder (LPF) was a technology pioneering mission designed to test key technologies required for gravitational wave detection in space. In the low frequency regime (milli-Hertz and below), where space-based gravitational wave observatories will operate, temperature fluctuations play a crucial role since they can couple into the interferometric measurement and the test masses' free-fall accuracy in many ways. A dedicated temperature measurement subsystem, with noise levels in 10$\,\mu$K$\,$Hz$^{-1/2}$ down to $1\,$mHz was part of the diagnostics unit on board LPF. In this paper we report on the temperature measurements throughout mission operations, characterize the thermal environment, estimate transfer functions between different locations and report temperature stability (and its time evolution) at frequencies as low as 10$\,\mu$Hz, where typically values around $1\,$K$\,$Hz$^{-1/2}$ were measured., Comment: 13 pages, 16 figures. MNRAS LaTeX style file version 3.0

Published
2019
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3. Micrometeoroid Events in LISA Pathfinder

Author

Thorpe, James Ira, Slutsky, Jacob, Baker, John, Littenberg, Tyson, Hourihane, Sophie, Pagane, Nicole, Pokorny, Petr, Janches, Diego, Armano, Michele, Audley, Heather, Auger, G., Baird, Jonathan, Bassan, Massimo, Binetruy, Pierre, Born, Michael, Bortoluzzi, D., Brandt, N., Caleno, M., Cavalleri, A, Cesarini, A, Cruise, A. M., Danzmann, K., Silva, M. de Deus, De Rosa, R., Di Fiore, L., Diepholz, I., Dixon, G., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Flatscher, R., Freschi, M., Marirrodriga, C. Garcia, Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grado, A., Grimani, C., Gryzmisch, J., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Inchauspe, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lobo, J. A., Lloro, I., Liu, L., Lopez-Zaragoza, J. P., Maarschalkerweerd, R., Mance, D., Martin, V., Martin-Polo, L., Martino, J., Martin-Porqueras, F., Madden, S., Mateos, I., McNamara, P. W., Mendes, J., Mendes, L., Nofarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Robertson, D., Rozemeijer, H., Rivas, F., Russano, G., Sarra, P., Schleicher, A., Shaul, D., Soperta, C., Stanga, R., Sumner, T., Texier, D., Trobs, M., Vetrungno, D., Vitale, S., Wanner, G., Ward, H., Wass, P., Wealthy, D., Weber, W. J., Wissel, L., Wittchen, A., Zambotti, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Subjects
Astrophysics - Earth and Planetary Astrophysics
Abstract

The zodiacal dust complex, a population of dust and small particles that pervades the Solar System, provides important insight into the formation and dynamics of planets, comets, asteroids, and other bodies. Here we present a new set of data obtained using a novel technique: direct measurements of momentum transfer to a spacecraft from individual particle impacts. This technique is made possible by the extreme precision of the instruments flown on the LISA Pathfinder spacecraft, a technology demonstrator for a future space-based gravitational wave observatory that operated near the first Sun-Earth Lagrange point from early 2016 through Summer of 2017. Using a simple model of the impacts and knowledge of the control system, we show that it is possible to detect impacts and measure properties such as the transferred momentum (related to the particle's mass and velocity), direction of travel, and location of impact on the spacecraft. In this paper, we present the results of a systematic search for impacts during 4348 hours of Pathfinder data. We report a total of 54 candidates with momenta ranging from 0.2$\,\mu\textrm{Ns}$ to 230$\,\mu\textrm{Ns}$. We furthermore make a comparison of these candidates with models of micrometeoroid populations in the inner solar system including those resulting from Jupiter-family comets, Oort-cloud comets, Hailey-type comets, and Asteroids. We find that our measured population is consistent with a population dominated by Jupiter-family comets with some evidence for a smaller contribution from Hailey-type comets. This is in agreement with consensus models of the zodiacal dust complex in the momentum range sampled by LISA Pathfinder., Comment: 22 pages, 14 figures, accepted in ApJ

Published
2019
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4. Charge-induced force-noise on free-falling test masses: results from LISA Pathfinder

Author

Armano, M., Audley, H., Auger, G., Baird, J. T., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Danzmann, K., Silva, M. de Deus, Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E. D., Flatscher, R., Freschi, M., Gallegos, J., Marirrodriga, C. García, Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Grzymisch, J., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspé, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Killow, C. J., Korsakova, N., Lloro, I., Liu, L., Maarschalkerweerd, R., Madden, S., Mance, D., Martín, V., Martin-Polo, L., Martino, J., Martin-Porqueras, F., Mateos, I., McNamara, P. W., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J. A. Romera, Robertson, D. I., Rozemeijer, H., Rivas, F., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C., Sumner, T. J., Texier, D., Thorpe, J. I., Trenkel, C., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Wass, P. J., Wealthy, D., Weber, W. J., Wittchen, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

We report on electrostatic measurements made on board the European Space Agency mission LISA Pathfinder. Detailed measurements of the charge-induced electrostatic forces exerted on free-falling test masses (TMs) inside the capacitive gravitational reference sensor are the first made in a relevant environment for a space-based gravitational wave detector. Employing a combination of charge control and electric-field compensation, we show that the level of charge-induced acceleration noise on a single TM can be maintained at a level close to 1.0 fm/s^2/sqrt(Hz) across the 0.1-100 mHz frequency band that is crucial to an observatory such as LISA. Using dedicated measurements that detect these effects in the differential acceleration between the two test masses, we resolve the stochastic nature of the TM charge build up due to interplanetary cosmic rays and the TM charge-to-force coupling through stray electric fields in the sensor. All our measurements are in good agreement with predictions based on a relatively simple electrostatic model of the LISA Pathfinder instrument., Comment: 9 Pages, 3 figures

Published
2017
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5. Free-flight experiments in LISA Pathfinder

Author

Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Cutler, C., Danzmann, K., Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Marirrodriga, C. Garcia., Gerndt, R., Gesa, LI., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspe, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Maghami, P., Mance, D., Martin, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J. A. Romera., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C. F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H. B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Subjects
General Relativity and Quantum Cosmology, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The LISA Pathfinder mission will demonstrate the technology of drag-free test masses for use as inertial references in future space-based gravitational wave detectors. To accomplish this, the Pathfinder spacecraft will perform drag-free flight about a test mass while measuring the acceleration of this primary test mass relative to a second reference test mass. Because the reference test mass is contained within the same spacecraft, it is necessary to apply forces on it to maintain its position and attitude relative to the spacecraft. These forces are a potential source of acceleration noise in the LISA Pathfinder system that are not present in the full LISA configuration. While LISA Pathfinder has been designed to meet it's primary mission requirements in the presence of this noise, recent estimates suggest that the on-orbit performance may be limited by this `suspension noise'. The drift-mode or free-flight experiments provide an opportunity to mitigate this noise source and further characterize the underlying disturbances that are of interest to the designers of LISA-like instruments. This article provides a high-level overview of these experiments and the methods under development to analyze the resulting data., Comment: 13 pages, 5 figures. Accepted to Journal Of Physics, Conference Series. Presented at 10th International LISA Symposium, May 2014, Gainesville, FL, USA

Published
2014
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6. State space modelling and data analysis exercises in LISA Pathfinder

Author

Nofrarias, M, Antonucci, F, Armano, M, Audley, H, Auger, G, Benedetti, M, Binetruy, P, Bogenstahl, J, Bortoluzzi, D, Brandt, N, Caleno, M, Cavalleri, A, Congedo, G, Cruise, M, Danzmann, K, De Marchi, F, Diaz-Aguilo, M, Diepholz, I, Dixon, G, Dolesi, R, Dunbar, N, Fauste, J, Ferraioli, L, Fichter, V Ferroni W, Fitzsimons, E, Freschi, M, Marirrodriga, C García, Gerndt, R, Gesa, L, Gibert, F, Giardini, D, Grimani, C, Grynagier, A, Guzmán, F, Harrison, I, Heinzel, G, Hewitson, M, Hollington, D, Hoyland, D, Hueller, M, Huesler, J, Jennrich, O, Jetzer, P, Johlander, B, Karnesis, N, Korsakova, N, Killow, C, Llamas, X, Lloro, I, Lobo, A, Maarschalkerweerd, R, Madden, S, Mance, D, Mateos, I, McNamara, P W, Mendes, J, Mitchell, E, Nicolini, D, Nicolodi, D, Perreur-Lloyd, M, Plagnol, E, Prat, P, Ramos-Castro, J, Reiche, J, Perez, J A Romera, Robertson, D, Rozemeijer, H, Russano, G, Schleicher, A, Shaul, D, Sopuerta, CF, Sumner, T J, Taylor, A, Texier, D, Trenkel, C, Tu, H-B, Vitale, S, Wanner, G, Ward, H, Waschke, S, Wass, P, Wealthy, D, Wen, S, Weber, W J, Ziegler, T, and Zweifel, P

Subjects
General Relativity and Quantum Cosmology, Astrophysics - Instrumentation and Methods for Astrophysics, Physics - Data Analysis, Statistics and Probability, Physics - Instrumentation and Detectors
Abstract

LISA Pathfinder is a mission planned by the European Space Agency to test the key technologies that will allow the detection of gravitational waves in space. The instrument on-board, the LISA Technology package, will undergo an exhaustive campaign of calibrations and noise characterisation campaigns in order to fully describe the noise model. Data analysis plays an important role in the mission and for that reason the data analysis team has been developing a toolbox which contains all the functionalities required during operations. In this contribution we give an overview of recent activities, focusing on the improvements in the modelling of the instrument and in the data analysis campaigns performed both with real and simulated data., Comment: Plenary talk presented at the 9th International LISA Symposium, 21-25 May 2012, Paris

Published
2013

7. Spacecraft and interplanetary contributions to the magnetic environment on-board LISA Pathfinder

Author

Armano, M, primary, Audley, H, additional, Baird, J, additional, Binetruy, P, additional, Born, M, additional, Bortoluzzi, D, additional, Castelli, E, additional, Cavalleri, A, additional, Cesarini, A, additional, Cruise, A M, additional, Danzmann, K, additional, de Deus Silva, M, additional, Diepholz, I, additional, Dixon, G, additional, Dolesi, R, additional, Ferraioli, L, additional, Ferroni, V, additional, Fitzsimons, E D, additional, Freschi, M, additional, Gesa, L, additional, Gibert, F, additional, Giardini, D, additional, Giusteri, R, additional, Grimani, C, additional, Grzymisch, J, additional, Harrison, I, additional, Hartig, M-S, additional, Heinzel, G, additional, Hewitson, M, additional, Hollington, D, additional, Hoyland, D, additional, Hueller, M, additional, Inchauspé, H, additional, Jennrich, O, additional, Jetzer, P, additional, Karnesis, N, additional, Kaune, B, additional, Korsakova, N, additional, Killow, C J, additional, Lobo, J A, additional, Liu, L, additional, López-Zaragoza, J P, additional, Maarschalkerweerd, R, additional, Mance, D, additional, Martín, V, additional, Martin-Polo, L, additional, Martino, J, additional, Martin-Porqueras, F, additional, Mateos, I, additional, McNamara, P W, additional, Mendes, J, additional, Mendes, L, additional, Meshksar, N, additional, Nofrarias, M, additional, Paczkowski, S, additional, Perreur-Lloyd, M, additional, Petiteau, A, additional, Pivato, P, additional, Plagnol, E, additional, Ramos-Castro, J, additional, Reiche, J, additional, Rivas, F, additional, Robertson, D I, additional, Roma-Dollase, D, additional, Russano, G, additional, Slutsky, J, additional, Sopuerta, C F, additional, Sumner, T, additional, Telloni, D, additional, Texier, D, additional, Thorpe, J I, additional, Trenkel, C, additional, Vetrugno, D, additional, Vitale, S, additional, Wanner, G, additional, Ward, H, additional, Wass, P J, additional, Wealthy, D, additional, Weber, W J, additional, Wissel, L, additional, Wittchen, A, additional, and Zweifel, P, additional

Published
2020
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8. Capacitive sensing of test mass motion with nanometer precision over millimeter-wide sensing gaps for space-borne gravitational reference sensors

Author

Armano, M., Audley, H., Auger, G., Baird, J., Bassan, M., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, A. M., Danzmann, K., de Deus Silva, M., De Rosa, R., Di Fiore, L., Diepholz, I., Dixon, G., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E. D., Flatscher, R., Freschi, M., García Marirrodriga, C., Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., GRADO, ANIELLO, Grimani, C., Grzymisch, J., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Inchauspé, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C. J., Lobo, J. A., Lloro, I., Liu, L., López-Zaragoza, J. P., Maarschalkerweerd, R., Mance, D., Martín, V., Martin-Polo, L., Martino, J., Martin-Porqueras, F., Madden, S., Mateos, I., McNamara, P. W., Mendes, J., Mendes, L., Meshksar, N., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Robertson, D. I., Rozemeijer, H., Rivas, F., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C. F., Stanga, R., Sumner, T. J., Texier, D., Thorpe, J. I., Trenkel, C., Tröbs, M., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Wass, P. J., Wealthy, D., Weber, W. J., Wissel, L., Wittchen, A., Zambotti, A., Zanoni, C., Ziegler, T., Zweifel, P., LISA Pathfinder Collaboration, Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica, AstroParticule et Cosmologie (APC (UMR_7164)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), LISA Pathfinder, Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Armano, M., Audley, H., Auger, G., Baird, J., Bassan, M., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, A. M., Danzmann, K., De Deus Silva, M., De Rosa, R., Di Fiore, L., Diepholz, I., Dixon, G., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E. D., Flatscher, R., Freschi, M., Garcia Marirrodriga, C., Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grado, A., Grimani, C., Grzymisch, J., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Inchauspe, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C. J., Lobo, J. A., Lloro, I., Liu, L., Lopez-Zaragoza, J. P., Maarschalkerweerd, R., Mance, D., Martin, V., Martin-Polo, L., Martino, J., Martin-Porqueras, F., Madden, S., Mateos, I., Mcnamara, P. W., Mendes, J., Mendes, L., Meshksar, N., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Robertson, D. I., Rozemeijer, H., Rivas, F., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C. F., Stanga, R., Sumner, T. J., Texier, D., Thorpe, J. I., Trenkel, C., Trobs, M., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Wass, P. J., Wealthy, D., Weber, W. J., Wissel, L., Wittchen, A., Zambotti, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Subjects
noise, detector: performance, Capacitive sensing, gap, Astronomy & Astrophysics, gravitational radiation: direct detection, 01 natural sciences, Noise (electronics), rotation, Displacement (vector), Physics, Particles & Fields, Gravitational waves, Optics, Ones gravitacionals, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, MISSION, Physics, LISA, Science & Technology, Spacecraft, 010308 nuclear & particles physics, business.industry, Gravitational wave, Settore FIS/01 - Fisica Sperimentale, gravitational radiation, Ranging, gravitational radiation detector, FOURIER-TRANSFORM, observatory, Pathfinder, gravitation, Física::Astronomia i astrofísica [Àrees temàtiques de la UPC], Physical Sciences, [PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], Millimeter, business
Abstract

We report on the performance of the capacitive gap-sensing system of the Gravitational Reference Sensor on board the LISA Pathfinder spacecraft. From in-flight measurements, the system has demonstrated a performance, down to 1 mHz, that is ranging between 0.7 and \ud 1.8\ud \ud \ud aF\ud \ud Hz\ud −\ud 1\ud /\ud 2\ud . That translates into a sensing noise of the test mass motion within 1.2 and \ud 2.4\ud \ud nm\ud \ud Hz\ud −\ud 1\ud /\ud 2\ud in displacement and within 83 and \ud 170\ud \ud nrad\ud \ud Hz\ud −\ud 1\ud /\ud 2\ud in rotation. This matches the performance goals for LISA Pathfinder, and it allows the successful implementation of the gravitational waves observatory LISA. A \ud 1\ud /\ud f\ud tail has been observed for frequencies below 1 mHz, the tail has been investigated in detail with dedicated in-flight measurements, and a model is presented in the paper. A projection of such noise to frequencies below 0.1 mHz shows that an improvement of performance at those frequencies is desirable for the next generation of gravitational reference sensors for space-borne gravitational waves observation.

Published
2017

9. Temperature stability in the sub-milliHertz band with LISA Pathfinder

Author

Armano, M, primary, Audley, H, primary, Baird, J, primary, Binetruy, P, primary, Born, M, primary, Bortoluzzi, D, primary, Castelli, E, primary, Cavalleri, A, primary, Cesarini, A, primary, Cruise, A M, primary, Danzmann, K, primary, Silva, M de Deus, primary, Diepholz, I, primary, Dixon, G, primary, Dolesi, R, primary, Ferraioli, L, primary, Ferroni, V, primary, Fitzsimons, E D, primary, Freschi, M, primary, Gesa, L, primary, Gibert, F, primary, Giardini, D, primary, Giusteri, R, primary, Grimani, C, primary, Grzymisch, J, primary, Harrison, I, primary, Heinzel, G, primary, Hewitson, M, primary, Hollington, D, primary, Hoyland, D, primary, Hueller, M, primary, Inchauspé, H, primary, Jennrich, O, primary, Jetzer, P, primary, Karnesis, N, primary, Kaune, B, primary, Korsakova, N, primary, Killow, C J, primary, Lobo, J A, primary, Lloro, I, primary, Liu, L, primary, López-Zaragoza, J P, primary, Maarschalkerweerd, R, primary, Mance, D, primary, Mansanet, C, primary, Martín, V, primary, Martin-Polo, L, primary, Martino, J, primary, Martin-Porqueras, F, primary, Mateos, I, primary, McNamara, P W, primary, Mendes, J, primary, Mendes, L, primary, Meshksar, N, primary, Nofrarias, M, primary, Paczkowski, S, primary, Perreur-Lloyd, M, primary, Petiteau, A, primary, Pivato, P, primary, Plagnol, E, primary, Ramos-Castro, J, primary, Reiche, J, primary, Robertson, D I, primary, Rivas, F, primary, Russano, G, primary, Sanjuán, J, primary, Slutsky, J, primary, Sopuerta, C F, primary, Sumner, T, primary, Texier, D, primary, Thorpe, J I, primary, Trenkel, C, primary, Vetrugno, D, primary, Vitale, S, primary, Wanner, G, primary, Ward, H, primary, Wass, P J, primary, Wealthy, D, primary, Weber, W J, primary, Wissel, L, primary, Wittchen, A, primary, and Zweifel, P, primary

Published
2019
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10. Bayesian statistics for the calibration of the LISA Pathfinder experiment

Author

Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Danzmann, K., Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Marirrodriga, C., Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspé, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Mance, D., Martín, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Romera Perez, J., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Published
2015

11. A Strategy to Characterize the LISA-Pathfinder Cold Gas Thruster System

Author

Armano, M, Audley, H, Auger, G, Baird, J, Binetruy, P, Born, M, Bortoluzzi, D, Brandt, N, Bursi, A, Caleno, M, Cavalleri, A, Cesarini, A, Cruise, M, Danzmann, K, Diepholz, I, Dolesi, R, Dunbar, N, Ferraioli, L, Ferroni, V, Fitzsimons, E, Freschi, M, Gallegos, J, Marirrodriga, C Garcia, Gerndt, R, Gesa, L I, Gibert, F, Giardini, D, Giusteri, R, Grimani, C, Harrison, I, Heinzel, G, Hewitson, M, Hollington, D, Hueller, M, Huesler, J, Inchauspé, H, Jennrich, O, Jetzer, P, Johlander, B, Karnesis, N, Kaune, B, Korsakova, N, Killow, C., Lloro, I, Maarschalkerweerd, R, Madden, S, Mance, D, Martin, V, Martin-Porqueras, F, Mateos, I, McNamara, P, Mendes, J, Mendes, L, Moroni, A, Nofrarias, M, Paczkowski, S, Perreur-Lloyd, M., Petiteau, A, Pivato, P, Plagnol, E, Prat, P, Ragnit, U, Ramos-Castro, J, Reiche, J, Perez, J A Romera, Robertson, D., Rozemeijer, H, Russano, G, Sarra, P, Schleicher, A, Slutsky, J, Sopuerta, C F, Sumner, T, Texier, D, Thorpe, J, Trenkel, C, Tu, H B, Vitale, S, Wanner, G, Ward, H., Waschke, S, Wass, P, Wealthy, D, Wen, S, Weber, W, Wittchen, A, Zanoni, C, Ziegler, T, and Zweifel, P

Subjects
Astronomy, ddc:530, ddc:500, Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik, Astrophysics, LISA Pathfinder, Konferenzschrift, Dewey Decimal Classification::500 | Naturwissenschaften, Physics, Applied
Abstract

The cold gas micro-propulsion system that will be used during the LISA-Pathfinder mission will be one of the most important component used to ensure the "free-fall" of the enclosed test masses. In this paper we present a possible strategy to characterize the effective direction and amplitude gain of each of the 6 thrusters of this system. Sorbonne Paric Cite/UnivEarthS Labex French Space Ageny (CNES)

Published
2015
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12. The LISA Pathfinder Mission

Author

Armano, M, Audley, H, Auger, G, Baird, J, Binetruy, P, Born, M, Bortoluzzi, D, Brandt, N, Bursi, A, Caleno, M, Cavalleri, A, Cesarini, A, Cruise, M, Danzmann, K, Diepholz, I, Dolesi, R, Dunbar, N, Ferraioli, L, Ferroni, V, Fitzsimons, E, Freschi, M, Gallegos, J, Marirrodriga, C García, Gerndt, R, Gesa, L I, Gibert, F, Giardini, D, Giusteri, R, Grimani, C, Harrison, I, Heinzel, G, Hewitson, M, Hollington, D, Hueller, M, Huesler, J, Inchauspé, H, Jennrich, O, Jetzer, P, Johlander, B, Karnesis, N, Kaune, B, Korsakova, N, Killow, C., Lloro, I, Maarschalkerweerd, R, Madden, S, Mance, D, Martín, V, Martin-Porqueras, F, Mateos, I, McNamara, P, Mendes, J, Mendes, L, Moroni, A, Nofrarias, M, Paczkowski, S, Perreur-Lloyd, M., Petiteau, A, Pivato, P, Plagnol, E, Prat, P, Ragnit, U, Ramos-Castro, J, Reiche, J, Perez, J A Romera, Robertson, D., Rozemeijer, H, Russano, G, Sarra, P, Schleicher, A, Slutsky, J, Sopuerta, C F, Sumner, T, Texier, D, Thorpe, J, Trenkel, C, Tu, H B, Vetrugno, D, Vitale, S, Wanner, G, Ward, H., Waschke, S, Wass, P, Wealthy, D, Wen, S, Weber, W, Wittchen, A, Zanoni, C, Ziegler, T, and Zweifel, P

Subjects
History, Critical technologies, Lisa technology packages, Gravity waves, Propulsion, 01 natural sciences, 7. Clean energy, Education, Gravitational wave detectors, Gravitational-wave detection, 0103 physical sciences, ddc:530, Free flight, 010303 astronomy & astrophysics, Konferenzschrift, Physical principles, 010308 nuclear & particles physics, Gravitational effects, Measurement concepts, Technology validations, Computer Science Applications, Low pass filters, Inertial navigation systems, European Space Agency, Space probes, Gravitation
Abstract

ISA Pathfinder (LPF), the second of the European Space Agency's Small Missions for Advanced Research in Technology (SMART), is a dedicated technology validation mission for future spaceborne gravitational wave detectors, such as the proposed eLISA mission. LISA Pathfinder, and its scientific payload - the LISA Technology Package - will test, in flight, the critical technologies required for low frequency gravitational wave detection: it will put two test masses in a near-perfect gravitational free-fall and control and measure their motion with unprecedented accuracy. This is achieved through technology comprising inertial sensors, high precision laser metrology, drag-free control and an ultra-precise micro-Newton propulsion system. LISA Pathfinder is due to be launched in mid-2015, with first results on the performance of the system being available 6 months thereafter.\ud \ud The paper introduces the LISA Pathfinder mission, followed by an explanation of the physical principles of measurement concept and associated hardware. We then provide a detailed discussion of the LISA Technology Package, including both the inertial sensor and interferometric readout. As we approach the launch of the LISA Pathfinder, the focus of the development is shifting towards the science operations and data analysis - this is described in the final section of the paper.

Published
2015

13. A Strategy to Characterize the LISA-Pathfinder Cold Gas Thruster System

Author

Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Cutler, C., Danzmann, K., Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Marirrodriga, C., Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspe, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Maghami, P., Mance, D., Martin, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Subjects
Physics, History, business.industry, Astrophysics::Instrumentation and Methods for Astrophysics, Astrophysics, Cold gas thruster, Computer Science Applications, Education, Pathfinder, Amplitude, Component (UML), Physics::Space Physics, Aerospace engineering, business
Abstract

The LISA Pathfinder mission will demonstrate the technology of drag-free test masses for use as inertial references in future space-based gravitational wave detectors. To accomplish this, the Pathfinder spacecraft will perform drag-free flight about a test mass while measuring the acceleration of this primary test mass relative to a second reference test mass. Because the reference test mass is contained within the same spacecraft, it is necessary to apply forces on it to maintain its position and attitude relative to the spacecraft. These forces are a potential source of acceleration noise in the LISA Pathfinder system that are not present in the full LISA configuration. While LISA Pathfinder has been designed to meet it's primary mission requirements in the presence of this noise, recent estimates suggest that the on-orbit performance may be limited by this `suspension noise'. The drift-mode or free-flight experiments provide an opportunity to mitigate this noise source and further characterize the underlying disturbances that are of interest to the designers of LISA-like instruments. This article provides a high-level overview of these experiments and the methods under development to analyze the resulting data.

Published
2015

14. Constraints on LISA Pathfinder’s self-gravity: design requirements, estimates and testing procedures

Author

Armano, M, primary, Audley, H, additional, Auger, G, additional, Baird, J, additional, Binetruy, P, additional, Born, M, additional, Bortoluzzi, D, additional, Brandt, N, additional, Bursi, A, additional, Caleno, M, additional, Cavalleri, A, additional, Cesarini, A, additional, Cruise, M, additional, Danzmann, K, additional, Silva, M de Deus, additional, Desiderio, D, additional, Piersanti, E, additional, Diepholz, I, additional, Dolesi, R, additional, Dunbar, N, additional, Ferraioli, L, additional, Ferroni, V, additional, Fitzsimons, E, additional, Flatscher, R, additional, Freschi, M, additional, Gallegos, J, additional, Marirrodriga, C García, additional, Gerndt, R, additional, Gesa, L, additional, Gibert, F, additional, Giardini, D, additional, Giusteri, R, additional, Grimani, C, additional, Grzymisch, J, additional, Harrison, I, additional, Heinzel, G, additional, Hewitson, M, additional, Hollington, D, additional, Hueller, M, additional, Huesler, J, additional, Inchauspé, H, additional, Jennrich, O, additional, Jetzer, P, additional, Johlander, B, additional, Karnesis, N, additional, Kaune, B, additional, Korsakova, N, additional, Killow, C, additional, Lloro, I, additional, Liu, L, additional, López-Zaragoza, J P, additional, Maarschalkerweerd, R, additional, Madden, S, additional, Mance, D, additional, Martín, V, additional, Martin-Polo, L, additional, Martino, J, additional, Martin-Porqueras, F, additional, Mateos, I, additional, McNamara, P W, additional, Mendes, J, additional, Mendes, L, additional, Moroni, A, additional, Nofrarias, M, additional, Paczkowski, S, additional, Perreur-Lloyd, M, additional, Petiteau, A, additional, Pivato, P, additional, Plagnol, E, additional, Prat, P, additional, Ragnit, U, additional, Ramos-Castro, J, additional, Reiche, J, additional, Perez, J A Romera, additional, Robertson, D, additional, Rozemeijer, H, additional, Rivas, F, additional, Russano, G, additional, Sarra, P, additional, Schleicher, A, additional, Slutsky, J, additional, Sopuerta, C F, additional, Sumner, T, additional, Texier, D, additional, Thorpe, J I, additional, Tomlinson, R, additional, Trenkel, C, additional, Vetrugno, D, additional, Vitale, S, additional, Wanner, G, additional, Ward, H, additional, Warren, C, additional, Wass, P J, additional, Wealthy, D, additional, Weber, W J, additional, Wittchen, A, additional, Zanoni, C, additional, Ziegler, T, additional, and Zweifel, P, additional

Published
2016
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15. Sub-Femto-gFree Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results

Author

Armano, M., primary, Audley, H., additional, Auger, G., additional, Baird, J. T., additional, Bassan, M., additional, Binetruy, P., additional, Born, M., additional, Bortoluzzi, D., additional, Brandt, N., additional, Caleno, M., additional, Carbone, L., additional, Cavalleri, A., additional, Cesarini, A., additional, Ciani, G., additional, Congedo, G., additional, Cruise, A. M., additional, Danzmann, K., additional, de Deus Silva, M., additional, De Rosa, R., additional, Diaz-Aguiló, M., additional, Di Fiore, L., additional, Diepholz, I., additional, Dixon, G., additional, Dolesi, R., additional, Dunbar, N., additional, Ferraioli, L., additional, Ferroni, V., additional, Fichter, W., additional, Fitzsimons, E. D., additional, Flatscher, R., additional, Freschi, M., additional, García Marín, A. F., additional, García Marirrodriga, C., additional, Gerndt, R., additional, Gesa, L., additional, Gibert, F., additional, Giardini, D., additional, Giusteri, R., additional, Guzmán, F., additional, Grado, A., additional, Grimani, C., additional, Grynagier, A., additional, Grzymisch, J., additional, Harrison, I., additional, Heinzel, G., additional, Hewitson, M., additional, Hollington, D., additional, Hoyland, D., additional, Hueller, M., additional, Inchauspé, H., additional, Jennrich, O., additional, Jetzer, P., additional, Johann, U., additional, Johlander, B., additional, Karnesis, N., additional, Kaune, B., additional, Korsakova, N., additional, Killow, C. J., additional, Lobo, J. A., additional, Lloro, I., additional, Liu, L., additional, López-Zaragoza, J. P., additional, Maarschalkerweerd, R., additional, Mance, D., additional, Martín, V., additional, Martin-Polo, L., additional, Martino, J., additional, Martin-Porqueras, F., additional, Madden, S., additional, Mateos, I., additional, McNamara, P. W., additional, Mendes, J., additional, Mendes, L., additional, Monsky, A., additional, Nicolodi, D., additional, Nofrarias, M., additional, Paczkowski, S., additional, Perreur-Lloyd, M., additional, Petiteau, A., additional, Pivato, P., additional, Plagnol, E., additional, Prat, P., additional, Ragnit, U., additional, Raïs, B., additional, Ramos-Castro, J., additional, Reiche, J., additional, Robertson, D. I., additional, Rozemeijer, H., additional, Rivas, F., additional, Russano, G., additional, Sanjuán, J., additional, Sarra, P., additional, Schleicher, A., additional, Shaul, D., additional, Slutsky, J., additional, Sopuerta, C. F., additional, Stanga, R., additional, Steier, F., additional, Sumner, T., additional, Texier, D., additional, Thorpe, J. I., additional, Trenkel, C., additional, Tröbs, M., additional, Tu, H. B., additional, Vetrugno, D., additional, Vitale, S., additional, Wand, V., additional, Wanner, G., additional, Ward, H., additional, Warren, C., additional, Wass, P. J., additional, Wealthy, D., additional, Weber, W. J., additional, Wissel, L., additional, Wittchen, A., additional, Zambotti, A., additional, Zanoni, C., additional, Ziegler, T., additional, and Zweifel, P., additional

Published
2016
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16. A noise simulator for eLISA: Migrating LISA Pathfinder knowledge to the eLISA mission

Author

Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Danzmann, Karsten, Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., García Marirrodriga, C., Gerndt, R., Gesa, L.I., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspé, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Mance, D., Martín, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J.A.R., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C.F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H.B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., Zweifel, P., Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Danzmann, Karsten, Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., García Marirrodriga, C., Gerndt, R., Gesa, L.I., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspé, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Mance, D., Martín, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J.A.R., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C.F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H.B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Abstract

We present a new technical simulator for the eLISA mission, based on state space modeling techniques and developed in MATLAB. This simulator computes the coordinate and velocity over time of each body involved in the constellation, i.e. the spacecraft and its test masses, taking into account the different disturbances and actuations. This allows studying the contribution of instrumental noises and system imperfections on the residual acceleration applied on the TMs, the latter reflecting the performance of the achieved free-fall along the sensitive axis. A preliminary version of the results is presented.

Published
2015

17. The LISA Pathfinder Mission

Author

Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Danzmann, K., Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Marirrodriga, C.G., Gerndt, R., Gesa, L.I., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspé, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Mance, D., Martín, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J.A.R., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C.F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H.B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., Zweifel, P., Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Danzmann, K., Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Marirrodriga, C.G., Gerndt, R., Gesa, L.I., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspé, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Mance, D., Martín, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J.A.R., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C.F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H.B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Abstract

LISA Pathfinder (LPF), the second of the European Space Agency's Small Missions for Advanced Research in Technology (SMART), is a dedicated technology validation mission for future spaceborne gravitational wave detectors, such as the proposed eLISA mission. LISA Pathfinder, and its scientific payload - the LISA Technology Package - will test, in flight, the critical technologies required for low frequency gravitational wave detection: it will put two test masses in a near-perfect gravitational free-fall and control and measure their motion with unprecedented accuracy. This is achieved through technology comprising inertial sensors, high precision laser metrology, drag-free control and an ultra-precise micro-Newton propulsion system. LISA Pathfinder is due to be launched in mid-2015, with first results on the performance of the system being available 6 months thereafter. The paper introduces the LISA Pathfinder mission, followed by an explanation of the physical principles of measurement concept and associated hardware. We then provide a detailed discussion of the LISA Technology Package, including both the inertial sensor and interferometric readout. As we approach the launch of the LISA Pathfinder, the focus of the development is shifting towards the science operations and data analysis - this is described in the final section of the paper.

Published
2015

18. Free-flight experiments in LISA Pathfinder

Author

Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Cutler, C., Danzmann, K., Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Marirrodriga, C.G., Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspé, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Maghami, P., Mance, D., Martín, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J.A.R., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C.F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H.B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., Zweifel, P., Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Cutler, C., Danzmann, K., Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Marirrodriga, C.G., Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspé, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Maghami, P., Mance, D., Martín, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J.A.R., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C.F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H.B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Abstract

The LISA Pathfinder mission will demonstrate the technology of drag-free test masses for use as inertial references in future space-based gravitational wave detectors. To accomplish this, the Pathfinder spacecraft will perform drag-free flight about a test mass while measuring the acceleration of this primary test mass relative to a second reference test mass. Because the reference test mass is contained within the same spacecraft, it is necessary to apply forces on it to maintain its position and attitude relative to the spacecraft. These forces are a potential source of acceleration noise in the LISA Pathfinder system that are not present in the full LISA configuration. While LISA Pathfinder has been designed to meet it's primary mission requirements in the presence of this noise, recent estimates suggest that the on-orbit performance may be limited by this 'suspension noise'. The drift-mode or free-flight experiments provide an opportunity to mitigate this noise source and further characterize the underlying disturbances that are of interest to the designers of LISA-like instruments. This article provides a high-level overview of these experiments and the methods under development to analyze the resulting data.

Published
2015

19. In-flight thermal experiments for LISA Pathfinder: Simulating temperature noise at the Inertial Sensors

Author

Gibert, F., Nofrarias, M., Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, Michael, Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Danzmann, Karsten, Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Garcia Marirrodriga, C., Gerndt, R., Gesa, L.I., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, Gerhard, Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspe, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Maghami, P., Mance, D., Martin, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J. A. Romera, Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C.F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H.B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., Zweifel, P., Gibert, F., Nofrarias, M., Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, Michael, Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Danzmann, Karsten, Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Garcia Marirrodriga, C., Gerndt, R., Gesa, L.I., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, Gerhard, Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspe, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Maghami, P., Mance, D., Martin, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J. A. Romera, Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C.F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H.B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Abstract

Thermal Diagnostics experiments to be carried out on board LISA Pathfinder (LPF) will yield a detailed characterisation of how temperature fluctuations affect the LTP (LISA Technology Package) instrument performance, a crucial information for future space based gravitational wave detectors as the proposed eLISA. Amongst them, the study of temperature gradient fluctuations around the test masses of the Inertial Sensors will provide as well information regarding the contribution of the Brownian noise, which is expected to limit the LTP sensitivity at frequencies close to 1mHz during some LTP experiments. In this paper we report on how these kind of Thermal Diagnostics experiments were simulated in the last LPF Simulation Campaign (November, 2013) involving all the LPF Data Analysis team and using an end-to-end simulator of the whole spacecraft. Such simulation campaign was conducted under the framework of the preparation for LPF operations.

Published
2015

20. Disentangling the magnetic force noise contribution in LISA Pathfinder

Author

Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, Michael, Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Danzmann, Karsten, Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Marirrodriga, C. Garcia, Gerndt, R., Gesa, L.I., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, Gerhard, Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspe, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Mance, D., Martin, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J. A. Romera, Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C.F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H.B., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., Zweifel, P., Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, Michael, Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Danzmann, Karsten, Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Marirrodriga, C. Garcia, Gerndt, R., Gesa, L.I., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, Gerhard, Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspe, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Mance, D., Martin, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J. A. Romera, Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C.F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H.B., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Abstract

Magnetically-induced forces on the inertial masses on-board LISA Path finder are expected to be one of the dominant contributions to the mission noise budget, accounting for up to 40%. The origin of this disturbance is the coupling of the residual magnetization and susceptibility of the test masses with the environmental magnetic field. In order to fully understand this important part of the noise model, a set of coils and magnetometers are integrated as a part of the diagnostics subsystem. During operations a sequence of magnetic excitations will be applied to precisely determine the coupling of the magnetic environment to the test mass displacement using the on-board magnetometers. Since no direct measurement of the magnetic field in the test mass position will be available, an extrapolation of the magnetic measurements to the test mass position will be carried out as a part of the data analysis activities. In this paper we show the first results on the magnetic experiments during an end-to-end LISA Path finder simulation, and we describe the methods under development to map the magnetic field on-board.

Published
2015

21. Disentangling the magnetic force noise contribution in LISA Pathfinder

Author

Armano, M, primary, Audley, H, additional, Auger, G, additional, Baird, J, additional, Binetruy, P, additional, Born, M, additional, Bortoluzzi, D, additional, Brandt, N, additional, Bursi, A, additional, Caleno, M, additional, Cavalleri, A, additional, Cesarini, A, additional, Cruise, M, additional, Danzmann, K, additional, Diepholz, I, additional, Dolesi, R, additional, Dunbar, N, additional, Ferraioli, L, additional, Ferroni, V, additional, Fitzsimons, E, additional, Freschi, M, additional, Gallegos, J, additional, García Marirrodriga, C, additional, Gerndt, R, additional, Gesa, LI, additional, Gibert, F, additional, Giardini, D, additional, Giusteri, R, additional, Grimani, C, additional, Harrison, I, additional, Heinzel, G, additional, Hewitson, M, additional, Hollington, D, additional, Hueller, M, additional, Huesler, J, additional, Inchauspé, H, additional, Jennrich, O, additional, Jetzer, P, additional, Johlander, B, additional, Karnesis, N, additional, Kaune, B, additional, Korsakova, N, additional, Killow, C, additional, Lloro, I, additional, Maarschalkerweerd, R, additional, Madden, S, additional, Mance, D, additional, Martín, V, additional, Martin-Porqueras, F, additional, Mateos, I, additional, McNamara, P, additional, Mendes, J, additional, Mendes, L, additional, Moroni, A, additional, Nofrarias, M, additional, Paczkowski, S, additional, Perreur-Lloyd, M, additional, Petiteau, A, additional, Pivato, P, additional, Plagnol, E, additional, Prat, P, additional, Ragnit, U, additional, Ramos-Castro, J, additional, Reiche, J, additional, Romera Perez, J A, additional, Robertson, D, additional, Rozemeijer, H, additional, Russano, G, additional, Sarra, P, additional, Schleicher, A, additional, Slutsky, J, additional, Sopuerta, C F, additional, Sumner, T, additional, Texier, D, additional, Thorpe, J, additional, Trenkel, C, additional, Tu, H B, additional, Vetrugno, D, additional, Vitale, S, additional, Wanner, G, additional, Ward, H, additional, Waschke, S, additional, Wass, P, additional, Wealthy, D, additional, Wen, S, additional, Weber, W, additional, Wittchen, A, additional, Zanoni, C, additional, Ziegler, T, additional, and Zweifel, P, additional

Published
2015
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22. Free-flight experiments in LISA Pathfinder

Author

Armano, M, primary, Audley, H, additional, Auger, G, additional, Baird, J, additional, Binetruy, P, additional, Born, M, additional, Bortoluzzi, D, additional, Brandt, N, additional, Bursi, A, additional, Caleno, M, additional, Cavalleri, A, additional, Cesarini, A, additional, Cruise, M, additional, Cutler, C, additional, Danzmann, K, additional, Diepholz, I, additional, Dolesi, R, additional, Dunbar, N, additional, Ferraioli, L, additional, Ferroni, V, additional, Fitzsimons, E, additional, Freschi, M, additional, Gallegos, J, additional, Marirrodriga, C García, additional, Gerndt, R, additional, Gesa, LI, additional, Gibert, F, additional, Giardini, D, additional, Giusteri, R, additional, Grimani, C, additional, Harrison, I, additional, Heinzel, G, additional, Hewitson, M, additional, Hollington, D, additional, Hueller, M, additional, Huesler, J, additional, Inchauspé, H, additional, Jennrich, O, additional, Jetzer, P, additional, Johlander, B, additional, Karnesis, N, additional, Kaune, B, additional, Korsakova, N, additional, Killow, C, additional, Lloro, I, additional, Maarschalkerweerd, R, additional, Madden, S, additional, Maghami, P, additional, Mance, D, additional, Martín, V, additional, Martin-Porqueras, F, additional, Mateos, I, additional, McNamara, P, additional, Mendes, J, additional, Mendes, L, additional, Moroni, A, additional, Nofrarias, M, additional, Paczkowski, S, additional, Perreur-Lloyd, M, additional, Petiteau, A, additional, Pivato, P, additional, Plagnol, E, additional, Prat, P, additional, Ragnit, U, additional, Ramos-Castro, J, additional, Reiche, J, additional, Perez, J A Romera, additional, Robertson, D, additional, Rozemeijer, H, additional, Russano, G, additional, Sarra, P, additional, Schleicher, A, additional, Slutsky, J, additional, Sopuerta, C F, additional, Sumner, T, additional, Texier, D, additional, Thorpe, J, additional, Trenkel, C, additional, Tu, H B, additional, Vetrugno, D, additional, Vitale, S, additional, Wanner, G, additional, Ward, H, additional, Waschke, S, additional, Wass, P, additional, Wealthy, D, additional, Wen, S, additional, Weber, W, additional, Wittchen, A, additional, Zanoni, C, additional, Ziegler, T, additional, and Zweifel, P, additional

Published
2015
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23. A noise simulator for eLISA: Migrating LISA Pathfinder knowledge to the eLISA mission

Author

Armano, M, primary, Audley, H, additional, Auger, G, additional, Baird, J, additional, Binetruy, P, additional, Born, M, additional, Bortoluzzi, D, additional, Brandt, N, additional, Bursi, A, additional, Caleno, M, additional, Cavalleri, A, additional, Cesarini, A, additional, Cruise, M, additional, Danzmann, K, additional, Diepholz, I, additional, Dolesi, R, additional, Dunbar, N, additional, Ferraioli, L, additional, Ferroni, V, additional, Fitzsimons, E, additional, Freschi, M, additional, Gallegos, J, additional, García Marirrodriga, C, additional, Gerndt, R, additional, Gesa, L I, additional, Gibert, F, additional, Giardini, D, additional, Giusteri, R, additional, Grimani, C, additional, Harrison, I, additional, Heinzel, G, additional, Hewitson, M, additional, Hollington, D, additional, Hueller, M, additional, Huesler, J, additional, Inchauspé, H, additional, Jennrich, O, additional, Jetzer, P, additional, Johlander, B, additional, Karnesis, N, additional, Kaune, B, additional, Korsakova, N, additional, Killow, C, additional, Lloro, I, additional, Maarschalkerweerd, R, additional, Madden, S, additional, Mance, D, additional, Martín, V, additional, Martin-Porqueras, F, additional, Mateos, I, additional, McNamara, P, additional, Mendes, J, additional, Mendes, L, additional, Moroni, A, additional, Nofrarias, M, additional, Paczkowski, S, additional, Perreur-Lloyd, M, additional, Petiteau, A, additional, Pivato, P, additional, Plagnol, E, additional, Prat, P, additional, Ragnit, U, additional, Ramos-Castro, J, additional, Reiche, J, additional, Perez, J A Romera, additional, Robertson, D, additional, Rozemeijer, H, additional, Russano, G, additional, Sarra, P, additional, Schleicher, A, additional, Slutsky, J, additional, Sopuerta, C F, additional, Sumner, T, additional, Texier, D, additional, Thorpe, J, additional, Trenkel, C, additional, Tu, H.B, additional, Vetrugno, D, additional, Vitale, S, additional, Wanner, G, additional, Ward, H, additional, Waschke, S, additional, Wass, P, additional, Wealthy, D, additional, Wen, S, additional, Weber, W, additional, Wittchen, A, additional, Zanoni, C, additional, Ziegler, T, additional, and Zweifel, P, additional

Published
2015
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24. Bayesian statistics for the calibration of the LISA Pathfinder experiment

Author

Armano, M, primary, Audley, H, additional, Auger, G, additional, Binetruy, P, additional, Born, M, additional, Bortoluzzi, D, additional, Brandt, N, additional, Bursi, A, additional, Caleno, M, additional, Cavalleri, A, additional, Cesarini, A, additional, Cruise, M, additional, Danzmann, K, additional, Diepholz, I, additional, Dolesi, R, additional, Dunbar, N, additional, Ferraioli, L, additional, Ferroni, V, additional, Fitzsimons, E, additional, Freschi, M, additional, García Marirrodriga, C, additional, Gerndt, R, additional, Gesa, L, additional, Gibert, F, additional, Giardini, D, additional, Giusteri, R, additional, Grimani, C, additional, Harrison, I, additional, Heinzel, G, additional, Hewitson, M, additional, Hollington, D, additional, Hueller, M, additional, Huesler, J, additional, Inchauspé, H, additional, Jennrich, O, additional, Jetzer, P, additional, Johlander, B, additional, Karnesis, N, additional, Kaune, B, additional, Korsakova, N, additional, Killow, C, additional, Lloro, I, additional, Maarschalkerweerd, R, additional, Madden, S, additional, Mance, D, additional, Martin, V, additional, Martin-Porqueras, F, additional, Mateos, I, additional, McNamara, P, additional, Mendes, J, additional, Mitchell, E, additional, Moroni, A, additional, Nofrarias, M, additional, Paczkowski, S, additional, Perreur-Lloyd, M, additional, Pivato, P, additional, Plagnol, E, additional, Prat, P, additional, Ragnit, U, additional, Ramos-Castro, J, additional, Reiche, J, additional, Romera Perez, J A, additional, Robertson, D, additional, Rozemeijer, H, additional, Russano, G, additional, Sarra, P, additional, Schleicher, A, additional, Slutsky, J, additional, Sopuerta, C F, additional, Sumner, T, additional, Texier, D, additional, Thorpe, J, additional, Trenkel, C, additional, Tu, H B, additional, Vetrugno, D, additional, Vitale, S, additional, Wanner, G, additional, Ward, H, additional, Waschke, S, additional, Wass, P, additional, Wealthy, D, additional, Wen, S, additional, Weber, W, additional, Wittchen, A, additional, Zanoni, C, additional, Ziegler, T, additional, and Zweifel, P, additional

Published
2015
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25. In-flight thermal experiments for LISA Pathfinder: Simulating temperature noise at the Inertial Sensors

Author

Armano, M, primary, Audley, H, additional, Auger, G, additional, Baird, J, additional, Binetruy, P, additional, Born, M, additional, Bortoluzzi, D, additional, Brandt, N, additional, Bursi, A, additional, Caleno, M, additional, Cavalleri, A, additional, Cesarini, A, additional, Cruise, M, additional, Danzmann, K, additional, Diepholz, I, additional, Dolesi, R, additional, Dunbar, N, additional, Ferraioli, L, additional, Ferroni, V, additional, Fitzsimons, E, additional, Freschi, M, additional, Gallegos, J, additional, Marirrodriga, C García, additional, Gerndt, R, additional, Gesa, Ll, additional, Gibert, F, additional, Giardini, D, additional, Giusteri, R, additional, Grimani, C, additional, Harrison, I, additional, Heinzel, G, additional, Hewitson, M, additional, Hollington, D, additional, Hueller, M, additional, Huesler, J, additional, Inchauspé, H, additional, Jennrich, O, additional, Jetzer, P, additional, Johlander, B, additional, Karnesis, N, additional, Kaune, B, additional, Korsakova, N, additional, Killow, C, additional, Lloro, I, additional, Maarschalkerweerd, R, additional, Madden, S, additional, Maghami, P, additional, Mance, D, additional, Martín, V, additional, Martin-Porqueras, F, additional, Mateos, I, additional, McNamara, P, additional, Mendes, J, additional, Mendes, L, additional, Moroni, A, additional, Nofrarias, M, additional, Paczkowski, S, additional, Perreur-Lloyd, M, additional, Petiteau, A, additional, Pivato, P, additional, Plagnol, E, additional, Prat, P, additional, Ragnit, U, additional, Ramos-Castro, J, additional, Reiche, J, additional, Perez, J A Romera, additional, Robertson, D, additional, Rozemeijer, H, additional, Russano, G, additional, Sarra, P, additional, Schleicher, A, additional, Slutsky, J, additional, Sopuerta, C F, additional, Sumner, T, additional, Texier, D, additional, Thorpe, J, additional, Trenkel, C, additional, Tu, H B, additional, Vetrugno, D, additional, Vitale, S, additional, Wanner, G, additional, Ward, H, additional, Waschke, S, additional, Wass, P, additional, Wealthy, D, additional, Wen, S, additional, Weber, W, additional, Wittchen, A, additional, Zanoni, C, additional, Ziegler, T, additional, and Zweifel, P, additional

Published
2015
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27. The LISA Pathfinder Mission

Author

Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Danzmann, K., Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Marirrodriga, C.G., Gerndt, R., Gesa, L.I., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspé, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Mance, D., Martín, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J.A.R., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C.F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H.B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Subjects
Critical technologies, Physical principles, Lisa technology packages, Gravitational effects, Measurement concepts, Gravity waves, Propulsion, 7. Clean energy, Technology validations, Gravitational wave detectors, Gravitational-wave detection, Low pass filters, Free flight, Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik, Inertial navigation systems, European Space Agency, Space probes, Konferenzschrift, Gravitation
Abstract

LISA Pathfinder (LPF), the second of the European Space Agency's Small Missions for Advanced Research in Technology (SMART), is a dedicated technology validation mission for future spaceborne gravitational wave detectors, such as the proposed eLISA mission. LISA Pathfinder, and its scientific payload - the LISA Technology Package - will test, in flight, the critical technologies required for low frequency gravitational wave detection: it will put two test masses in a near-perfect gravitational free-fall and control and measure their motion with unprecedented accuracy. This is achieved through technology comprising inertial sensors, high precision laser metrology, drag-free control and an ultra-precise micro-Newton propulsion system. LISA Pathfinder is due to be launched in mid-2015, with first results on the performance of the system being available 6 months thereafter. The paper introduces the LISA Pathfinder mission, followed by an explanation of the physical principles of measurement concept and associated hardware. We then provide a detailed discussion of the LISA Technology Package, including both the inertial sensor and interferometric readout. As we approach the launch of the LISA Pathfinder, the focus of the development is shifting towards the science operations and data analysis - this is described in the final section of the paper.

28. State Space Modelling and Data Analysis Exercises in LISA Pathfinder

Author

Nofrarias, M., Antonucci, F., Armano, M., Audley, H., Auger, G., Benedetti, M., Binetruy, P., Bogenstahl, J., Bortoluzzi, D., Brandt, N., Caleno, M., Cavalleri, A., Giuseppe Congedo, Cruise, M., Danzmann, K., Marchi, F., Diaz-Aguilo, M., Diepholz, I., Dixon, G., Dolesi, R., Dunbar, N., Fauste, J., Ferraioli, L., Ferroni, V., Fichter, W., Fitzsimons, E., Freschi, M., Marirrodriga, C. Garcia, Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Grimani, C., Grynagier, A., Guzman, F., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Huesler, J., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Korsakova, N., Killow, C., Llamas, X., Lloro, I., Lobo, A., Maarschalkerweerd, R., Madden, S., Mance, D., Martin, V., Mateos, I., Mcnamara, P., Mendes, I., Mitchell, E., Nicolodi, D., Perreur-Lloyd, M., Plagnol, E., Prat, P., Ramos-Castro, J., Reiche, J., Perez, J. A. Romera, Robertson, D., Rozemeijer, H., Rossano, G., Schleicher, A., Shaul, D., Sopuerta, C. F., Sumner, T. J., Taylor, A., Texier, D., Trenkel, C., Tu, H. B., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Ziegler, T., and Zweifel, P.

Subjects
Physics - Instrumentation and Detectors, Physics - Data Analysis, Statistics and Probability, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), Instrumentation and Detectors (physics.ins-det), Astrophysics - Instrumentation and Methods for Astrophysics, Instrumentation and Methods for Astrophysics (astro-ph.IM), General Relativity and Quantum Cosmology, Data Analysis, Statistics and Probability (physics.data-an)
Abstract

LISA Pathfinder is a mission planned by the European Space Agency to test the key technologies that will allow the detection of gravitational waves in space. The instrument on-board, the LISA Technology package, will undergo an exhaustive campaign of calibrations and noise characterisation campaigns in order to fully describe the noise model. Data analysis plays an important role in the mission and for that reason the data analysis team has been developing a toolbox which contains all the functionalities required during operations. In this contribution we give an overview of recent activities, focusing on the improvements in the modelling of the instrument and in the data analysis campaigns performed both with real and simulated data., Comment: Plenary talk presented at the 9th International LISA Symposium, 21-25 May 2012, Paris

29. LISA PATHFINDER FIRST STEP TOWARD A GRAVITATIONAL WAVE SPACE OBSERVATORY

Author

Bassan, M., Armano, M., Audley, H., Auger, G., Baird, J. T., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Caleno, M., Carbone, L., Cavalleri, A., Cesarini, A., Ciani, G., Congedo, G., Cruise, A. M., Danzmann, K., Deus Silva, M., Rosario De Rosa, Di Fiore, L., Diaz-Aguiló, M., Diepholz, I., Dixon, G., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E. D., Flatscher, R., Freschi, M., Garcia Marín, A., García Marrirodriga, C., Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grado, A., Grimani, C., Grynagier, A., Grzymisch, J., Guzman, F., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Inchauspé, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C. J., Lobo, J. A., Lloro, I., Liu, L., López-Zaragoza, J. P., Maarschalkerweerd, R., Mance, D., Martín, V., Martin-Polo, L., Martino, J., Martin-Porqueras, F., Madden, S., Mateos, I., Mcnamara, P. W., Mendes, J., Mendes, L., Monsky, A., Nicolodi, D., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Raïs, B., Ramos-Castro, J., Reiche, J., Robertson, D. I., Rozemeijer, H., Rivas, F., Russano, G., Sanjuan, J., Sarra, P., Schleicher, A., Shaul, D., Slutsky, J., Sopuerta, C. F., Stanga, R., Steier, F., Sumner, T., Texier, D., Thorpe, J. I., Trenkel, C., Tröbs, M., Tu, H. B., Vetrugno, D., Vitale, S., Wand, V., Wanner, G., Ward, H., Wass, P. J., Wealthy, D., Weber, W. J., Wissel, L., Wittchen, A., Zambotti, A., Zanoni, C., Ziegler, T., and Zweifel, P.

30. Micrometeoroid Events in LISA Pathfinder

Author

Ignacio Mateos, St Drs Operations Team, J. Grzymisch, H. Ward, D. Wealthy, H. Rozemeijer, J. A. Lobo, Gerhard Heinzel, Nicole Pagane, A. Zambotti, S. Paczkowski, Ivan Lloro, Ph. Jetzer, Antoine Petiteau, Paul McNamara, P. Prat, José F. F. Mendes, Daniele Bortoluzzi, N. Brandt, Nikolaos Karnesis, James Ira Thorpe, R. De Rosa, Michael Tröbs, Carlos F. Sopuerta, Michele Armano, L. Mendes, C. Zanoni, Davor Mance, J. O’Donnell, Daniele Vetrugno, B. Johlander, Lluis Gesa, G. Auger, Curt Cutler, John Ziemer, M. Freschi, Henri Inchauspe, A. Schleicher, F. Martin-Porqueras, M. Girard, M. Hewitson, D. Shaul, R. Maarschalkerweerd, Karsten Danzmann, T. J. Sumner, D. Texier, E. D. Fitzsimons, F. Rivas, Daniel Hollington, L. Liu, Oliver Jennrich, Miquel Nofrarías, P. Pivato, A. M. Cruise, W. J. Weber, R. Giusteri, Michael Perreur-Lloyd, John G. Baker, P. Sarra, Tobias Ziegler, N. Korsakova, Aniello Grado, Heather Audley, Peter Wass, Tyson Littenberg, Gudrun Wanner, Sophie Hourihane, Pierre Binétruy, Antonella Cavalleri, L. Di Fiore, R. Gerndt, Jacob Slutsky, Valerio Ferroni, S. Vitale, Christian J. Killow, B. Kaune, C. Trenkel, S. Madden, Diego Janches, Juan Ramos-Castro, D. Hoyland, C. Marrese-Reading, J. Reiche, Rita Dolesi, N. Dunbar, Catia Grimani, P. Barela, C. Dunn, C. García Marirrodriga, A. Wittchen, R. Flatscher, P. Maghami, U. Ragnit, I. Li, Ruggero Stanga, Mauro Hueller, Nate Demmons, S. Javidnia, Petr Pokorny, G. Dixon, J. P. López-Zaragoza, M. Born, A. Cesarini, G. Russano, Ferran Gibert, J. Martino, J. Baird, Massimo Bassan, O. Hsu, Andrew Romero-Wolf, L. Wissel, Ingo Diepholz, M. de Deus Silva, Luigi Ferraioli, Eric Plagnol, V. Martín, Domenico Giardini, M. Caleno, D. I. Robertson, Peter Zweifel, J. Mehta, L. Martin-Polo, I. Harrison, Thorpe, J. I., Slutsky, J., Baker, J. G., Littenberg, T. B., Hourihane, S., Pagane, N., Pokorny, P., Janches, D., Armano, M., Audley, H., Auger, G., Baird, J., Bassan, M., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, A. M., Danzmann, K., De Deus Silva, M., DE ROSA, Rosario, Di Fiore, L., Diepholz, I., Dixon, G., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E. D., Flatscher, R., Freschi, M., Garcia Marirrodriga, C., Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grado, A., Grimani, C., Grzymisch, J., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Inchauspe, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C. J., Lobo, J. A., Lloro, I., Liu, L., Lopez-Zaragoza, J. P., Maarschalkerweerd, R., Mance, D., Martin, V., Martin-Polo, L., Martino, J., Martin-Porqueras, F., Madden, S., Mateos, I., Mcnamara, P. W., Mendes, J., Mendes, L., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Robertson, D. I., Rozemeijer, H., Rivas, F., Russano, G., Sarra, P., Schleicher, A., Shaul, D., Sopuerta, C. F., Stanga, R., Sumner, T., Texier, D., Trenkel, C., Trobs, M., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Wass, P., Wealthy, D., Weber, W. J., Wissel, L., Wittchen, A., Zambotti, A., Zanoni, C., Ziegler, T., Zweifel, P., Barela, P., Cutler, C., Demmons, N., Dunn, C., Girard, M., Hsu, O., Javidnia, S., Li, I., Maghami, P., Marrese-Reading, C., Mehta, J., Romero-Wolf, A., Ziemer, J., AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica, and Science and Technology Facilities Council (STFC)

Subjects
Astrofísica, Solar System, 010504 meteorology & atmospheric sciences, Meteors, Astrophysics, 01 natural sciences, Planet, meteoroids, 010303 astronomy & astrophysics, Earth and Planetary Astrophysics (astro-ph.EP), 0306 Physical Chemistry (incl. Structural), Settore FIS/01, Physics, Sistema solar, education.field_of_study, Micrometeoroid, Astrophysics::Instrumentation and Methods for Astrophysics, Meteoroids, instrumentation: miscellaneous, meteorites, meteors, meteoroids, Asteroid, Physical Sciences, 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics, Physics::Space Physics, Astrophysics::Earth and Planetary Astrophysics, miscellaneous [Instrumentation], Solar system, Population, FOS: Physical sciences, Astronomy & Astrophysics, meteorites, 0201 Astronomical and Space Sciences, 0103 physical sciences, meteors, education, 0105 earth and related environmental sciences, Science & Technology, Zodiacal light, Meteoroid, instrumentation: miscellaneou, Astronomy, Astronomy and Astrophysics, miscellaneous, meteorites, meteors, meteoroids [instrumentation], Pathfinder, 13. Climate action, Space and Planetary Science, [SDU]Sciences of the Universe [physics], Física::Astronomia i astrofísica [Àrees temàtiques de la UPC], Enginyeria electrònica::Instrumentació i mesura [Àrees temàtiques de la UPC], ORBITS, Astrophysics - Earth and Planetary Astrophysics, Meteorites
Abstract

The zodiacal dust complex, a population of dust and small particles that pervades the Solar System, provides important insight into the formation and dynamics of planets, comets, asteroids, and other bodies. Here we present a new set of data obtained using a novel technique: direct measurements of momentum transfer to a spacecraft from individual particle impacts. This technique is made possible by the extreme precision of the instruments flown on the LISA Pathfinder spacecraft, a technology demonstrator for a future space-based gravitational wave observatory that operated near the first Sun-Earth Lagrange point from early 2016 through Summer of 2017. Using a simple model of the impacts and knowledge of the control system, we show that it is possible to detect impacts and measure properties such as the transferred momentum (related to the particle's mass and velocity), direction of travel, and location of impact on the spacecraft. In this paper, we present the results of a systematic search for impacts during 4348 hours of Pathfinder data. We report a total of 54 candidates with momenta ranging from 0.2$\,\mu\textrm{Ns}$ to 230$\,\mu\textrm{Ns}$. We furthermore make a comparison of these candidates with models of micrometeoroid populations in the inner solar system including those resulting from Jupiter-family comets, Oort-cloud comets, Hailey-type comets, and Asteroids. We find that our measured population is consistent with a population dominated by Jupiter-family comets with some evidence for a smaller contribution from Hailey-type comets. This is in agreement with consensus models of the zodiacal dust complex in the momentum range sampled by LISA Pathfinder., Comment: 22 pages, 14 figures, accepted in ApJ

Published
2019

31. Sub-Femto- g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results

Author

R. Gerndt, F. Rivas, Daniele Bortoluzzi, L. Carbone, L. Mendes, Ph. Jetzer, Walter Fichter, Jacob Slutsky, Valerio Ferroni, D. Hoyland, Ulrich Johann, Gudrun Wanner, Miquel Nofrarías, Peter Wass, Juan Ramos-Castro, Pierre Binétruy, Ivan Lloro, Lluis Gesa, G. Auger, C. Trenkel, Stefano Vitale, James Ira Thorpe, Antoine Petiteau, A. Grynagier, Paul McNamara, A. F. García Marín, G. Congedo, Luigi Ferraioli, M. Born, R. Maarschalkerweerd, Karsten Danzmann, V Wand, C. Zanoni, A. Monsky, Ruggero Stanga, Ingo Diepholz, Carlos F. Sopuerta, F. Steier, A. Cesarini, José F. F. Mendes, Tobias Ziegler, N. Korsakova, G. Russano, F. Guzmán, H. Rozemeijer, M. Hewitson, A. Schleicher, B. Johlander, J. P. López-Zaragoza, Michael Perreur-Lloyd, Michele Armano, Daniel Hollington, Daniele Vetrugno, D. Wealthy, B. Kaune, S. Madden, P. Sarra, A. Zambotti, M. Diaz-Aguilo, Christian J. Killow, Peter Zweifel, Davor Mance, D. Shaul, T. J. Sumner, L. Liu, J. Grzymisch, H. Ward, M. Freschi, L. Di Fiore, Oliver Jennrich, Michael Tröbs, H. B. Tu, R. Flatscher, M. Caleno, D. I. Robertson, J. A. Lobo, S. Paczkowski, Ferran Gibert, L. Martin-Polo, P. Prat, I. Harrison, P. Pivato, Ignacio Mateos, C. García Marirrodriga, Mauro Hueller, D. Texier, A. Wittchen, U. Ragnit, Aniello Grado, Heather Audley, J Sanjuán, C. Warren, J. Reiche, B. Rais, Henri Inchauspe, G. Dixon, Eric Plagnol, V. Martín, Domenico Giardini, Daniele Nicolodi, N. Brandt, Nikolaos Karnesis, Giacomo Ciani, Antonella Cavalleri, J. Martino, R. Giusteri, L. Wissel, Rita Dolesi, J. Baird, Massimo Bassan, R. De Rosa, E. D. Fitzsimons, Gerhard Heinzel, W. J. Weber, A. M. Cruise, F. Martin-Porqueras, M. de Deus Silva, N. Dunbar, Catia Grimani, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica, UK Space Agency, Science and Technology Facilities Council (STFC), Armano, M., Audley, H., Auger, G., Baird, J. T., Bassan, M., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Caleno, M., Carbone, L., Cavalleri, A., Cesarini, A., Ciani, G., Congedo, G., Cruise, A. M., Danzmann, K., De Deus Silva, M., DE ROSA, Rosario, Diaz Aguiló, M., Di Fiore, L., Diepholz, I., Dixon, G., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fichter, W., Fitzsimons, E. D., Flatscher, R., Freschi, M., García Marín, A. F., García Marirrodriga, C., Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Guzmán, F., Grado, A., Grimani, C., Grynagier, A., Grzymisch, J., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Inchauspé, H., Jennrich, O., Jetzer, P., Johann, U., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C. J., Lobo, J. A., Lloro, I., Liu, L., López Zaragoza, J. P., Maarschalkerweerd, R., Mance, D., Martín, V., Martin Polo, L., Martino, J., Martin Porqueras, F., Madden, S., Mateos, I., Mcnamara, P. W., Mendes, J., Mendes, L., Monsky, A., Nicolodi, D., Nofrarias, M., Paczkowski, S., Perreur Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Raïs, B., Ramos Castro, J., Reiche, J., Robertson, D. I., Rozemeijer, H., Rivas, F., Russano, G., Sanjuán, J., Sarra, P., Schleicher, A., Shaul, D., Slutsky, J., Sopuerta, C. F., Stanga, R., Steier, F., Sumner, T., Texier, D., Thorpe, J. I., Trenkel, C., Tröbs, M., Tu, H. B., Vetrugno, D., Vitale, S., Wand, V., Wanner, G., Ward, H., Warren, C., Wass, P. J., Wealthy, D., Weber, W. J., Wissel, L., Wittchen, A., Zambotti, A., Zanoni, C., Ziegler, T., Zweifel, P., Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, and PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)

Subjects
General Physics, Gravitational-wave observatory, detector: performance, Physics, Multidisciplinary, General Physics and Astronomy, Astrophysics, 01 natural sciences, 7. Clean energy, Noise (electronics), 09 Engineering, LISA Pathfinder, Gravitational waves, Acceleration, Physics and Astronomy (all), Square root, Ones gravitacionals, gas, 0103 physical sciences, Orders of magnitude (speed), interferometer: satellite, noise: acceleration, 010303 astronomy & astrophysics, 01 Mathematical Sciences, MISSION, Physics, LISA, Science & Technology, 02 Physical Sciences, density: spectral, 010308 nuclear & particles physics, Gravitational wave, Settore FIS/01 - Fisica Sperimentale, Astrophysics::Instrumentation and Methods for Astrophysics, gravitational radiation, Spectral density, gravitational radiation detector: satellite, detector: sensitivity, gravitation, Physical Sciences, viscosity, [PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], Brownian noise, readout, INTERFEROMETER
Abstract

We report the first results of the LISA Pathfinder in-flight experiment. The results demonstrate that two free-falling reference test masses, such as those needed for a space-based gravitational wave observatory like LISA, can be put in free fall with a relative acceleration noise with a square root of the power spectral density of 5.2 +/- 0.1 fm s(exp -2)/square root of Hz, or (0.54 +/- 0.01) x 10(exp -15) g/square root of Hz, with g the standard gravity, for frequencies between 0.7 and 20 mHz. This value is lower than the LISA Pathfinder requirement by more than a factor 5 and within a factor 1.25 of the requirement for the LISA mission, and is compatible with Brownian noise from viscous damping due to the residual gas surrounding the test masses. Above 60 mHz the acceleration noise is dominated by interferometer displacement readout noise at a level of (34.8 +/- 0.3) fm square root of Hz, about 2 orders of magnitude better than requirements. At f less than or equal to 0.5 mHz we observe a low-frequency tail that stays below 12 fm s(exp -2)/square root of Hz down to 0.1 mHz. This performance would allow for a space-based gravitational wave observatory with a sensitivity close to what was originally foreseen for LISA.

Published
2016

32. Sub-Femto-g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results.

Author

Armano M, Audley H, Auger G, Baird JT, Bassan M, Binetruy P, Born M, Bortoluzzi D, Brandt N, Caleno M, Carbone L, Cavalleri A, Cesarini A, Ciani G, Congedo G, Cruise AM, Danzmann K, de Deus Silva M, De Rosa R, Diaz-Aguiló M, Di Fiore L, Diepholz I, Dixon G, Dolesi R, Dunbar N, Ferraioli L, Ferroni V, Fichter W, Fitzsimons ED, Flatscher R, Freschi M, García Marín AF, García Marirrodriga C, Gerndt R, Gesa L, Gibert F, Giardini D, Giusteri R, Guzmán F, Grado A, Grimani C, Grynagier A, Grzymisch J, Harrison I, Heinzel G, Hewitson M, Hollington D, Hoyland D, Hueller M, Inchauspé H, Jennrich O, Jetzer P, Johann U, Johlander B, Karnesis N, Kaune B, Korsakova N, Killow CJ, Lobo JA, Lloro I, Liu L, López-Zaragoza JP, Maarschalkerweerd R, Mance D, Martín V, Martin-Polo L, Martino J, Martin-Porqueras F, Madden S, Mateos I, McNamara PW, Mendes J, Mendes L, Monsky A, Nicolodi D, Nofrarias M, Paczkowski S, Perreur-Lloyd M, Petiteau A, Pivato P, Plagnol E, Prat P, Ragnit U, Raïs B, Ramos-Castro J, Reiche J, Robertson DI, Rozemeijer H, Rivas F, Russano G, Sanjuán J, Sarra P, Schleicher A, Shaul D, Slutsky J, Sopuerta CF, Stanga R, Steier F, Sumner T, Texier D, Thorpe JI, Trenkel C, Tröbs M, Tu HB, Vetrugno D, Vitale S, Wand V, Wanner G, Ward H, Warren C, Wass PJ, Wealthy D, Weber WJ, Wissel L, Wittchen A, Zambotti A, Zanoni C, Ziegler T, and Zweifel P

Abstract

We report the first results of the LISA Pathfinder in-flight experiment. The results demonstrate that two free-falling reference test masses, such as those needed for a space-based gravitational wave observatory like LISA, can be put in free fall with a relative acceleration noise with a square root of the power spectral density of 5.2±0.1  fm s^{-2}/sqrt[Hz], or (0.54±0.01)×10^{-15}  g/sqrt[Hz], with g the standard gravity, for frequencies between 0.7 and 20 mHz. This value is lower than the LISA Pathfinder requirement by more than a factor 5 and within a factor 1.25 of the requirement for the LISA mission, and is compatible with Brownian noise from viscous damping due to the residual gas surrounding the test masses. Above 60 mHz the acceleration noise is dominated by interferometer displacement readout noise at a level of (34.8±0.3)  fm/sqrt[Hz], about 2 orders of magnitude better than requirements. At f≤0.5  mHz we observe a low-frequency tail that stays below 12  fm s^{-2}/sqrt[Hz] down to 0.1 mHz. This performance would allow for a space-based gravitational wave observatory with a sensitivity close to what was originally foreseen for LISA.

Published
2016
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